Perhaps you should try some spelling variations:
thieu sach » chieu sach, thien hach, hieu cach
hanh trinh » canh tranh, hanh chinh
hoc thieu » toc thieu, hoc hien
trinh cua » tinh cua, trinh luat, trinh quan
cuong tap » luong tap, cong tac, luong tai
cua dang » cua cong, cua ban
cong tap » cong tac, tong tap, con tap
cong tan » cong tac, cong san, cong thanh
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc thieu sach - hanh trinh cua dang ((((cong tap) or (cuong tap))) or (cong tan)) toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc thieu sach - hanh trinh cua dang ((((cong tap) OR (cuong tap))) OR (cong tan)) toan ban.
• Adding a wildcard symbol may retrieve word variants: hoc thieu sach - hanh trinh cua dang ((((cong tap) or (cuong tap))) or (cong tan)) toan ban*.